linux-kernel - Re: [PATCH v7 0/3] x86/tdx: Fix HLT logic execution for TDX VMs

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Message-ID: <20250324185353.1974105-1-afranji@google.com>
Date: Mon, 24 Mar 2025 18:53:53 +0000
From: Ryan Afranji <afranji@...gle.com>
To: vannapurve@...gle.com
Cc: ackerleytng@...gle.com, afranji@...gle.com, ajay.kaher@...adcom.com, 
	ak@...ux.intel.com, bcm-kernel-feedback-list@...adcom.com, bp@...en8.de, 
	chao.p.peng@...ux.intel.com, dave.hansen@...ux.intel.com, 
	erdemaktas@...gle.com, hpa@...or.com, isaku.yamahata@...il.com, 
	jgross@...e.com, jikos@...nel.org, jxgao@...gle.com, kai.huang@...el.com, 
	kees@...nel.org, kirill.shutemov@...ux.intel.com, linux-coco@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, mingo@...hat.com, pbonzini@...hat.com, 
	peterz@...radead.org, sagis@...gle.com, 
	sathyanarayanan.kuppuswamy@...ux.intel.com, seanjc@...gle.com, 
	tglx@...utronix.de, thomas.lendacky@....com, tony.luck@...el.com, 
	virtualization@...ts.linux.dev, x86@...nel.org
Subject: Re: [PATCH v7 0/3] x86/tdx: Fix HLT logic execution for TDX VMs

Tested with the specjbb2015 benchmark. It has heavy lock contention which leads
to many halt calls. TDX VMs suffered a poor score before this patchset.

Verified the major performance improvement with this patchset applied.

Tested-by: Ryan Afranji <afranji@...gle.com>